Archaeologists dug into a riverbank in Zambia and uncovered what they call the earliest known wood construction by humans. The half-million year-old artifacts could change how we see Stone-Age people. Larry Barham and Geoff Duller/University of Liverpool hide caption
New analysis has found a source of carbon within Europa, Jupiter's moon that is believed to hold massive amounts of liquid water. This view of the moon was created from images taken by NASA's Galileo spacecraft in the late 1990s. NASA/JPL-Caltech hide caption
Last month team members practiced retrieving the sample return capsule, using a replica, at the Department of Defense's Utah Test and Training Range. NASA/Keegan Barber hide caption
Bulbul Aktar, a shasthya kormi, or community health worker, with the malaria elimination program in Bangladesh, goes door to door to treat malaria patients. "This is my job, my duty," says Aktar. "Every single home, I have to know about them and visit them." Fatima Tuj Johora for NPR hide caption
Smoky haze from wildfires in Canada obscures New York City's Empire State Building this year. The air in the U.S. has improved over the past 50 years, but smoke pollution from growing wildfires erodes much of that progress. David Dee Delgado/Getty Images hide caption
A diver in the Revillagigedo Archipelago interacts with giant mantas as part of a citizen science cruise led by Dr. Alfredo Giron. Alfredo Giron hide caption
A study of nearly 300,000 people in the U.K. found that people who maintained at least five of seven healthy habits cut their risk of depression by 57%. Maria Stavreva/Getty Images hide caption
Since its launch, the James Webb Space Telescope has sent back detailed images and spectra of galaxies from when the universe was just 900 million years old. NASA, ESA, CSA, Simon Lilly (ETH Zurich), Daichi Kashino (Nagoya University), Jorryt Matthee (ETH Zurich), Christina Eilers (MIT), Rongmon Bordoloi (NCSU), Ruari Mackenzie (ETH Zurich) hide caption
Saucer-like lenticular clouds appear over Turkiye's Bursa province in the early morning hours of January 19, 2023. Anadolu Agency/Anadolu Agency via Getty Images hide caption
Experts say the new COVID boosters are a much closer match to currently circulating variants than prior vaccines and boosters. Frederick J. Brown/AFP via Getty Images hide caption
The cover of Ben Goldfarb's latest book, Crossings: How Road Ecology Is Shaping The Future of Our Planet Courtesy of W.W. Norton and Co. hide caption
A person receives a COVID-19 vaccination dose, during a free distribution of COVID-19 rapid test kits for those who received vaccination shots or booster shots, at Union Station on January 7, 2022 in Los Angeles, California. Mario Tama/Getty Images hide caption
Gerhardt Boukes, chief scientist at Afrigen Biologics and Vaccines, formulates mRNA for use in a vaccine against COVID-19. The company — based in Cape Town, South Africa — is the linchpin of a global project to enable low- and middle-income countries to make mRNA vaccines against all manner of diseases. Tommy Trenchard for NPR hide caption
A feral cat hides in a wooded area near a beach parking lot at Jones Beach State Park in Wantagh, N.Y. The American Bird Conservancy sued the state parks department in 2016 to have the cats removed because they were a threat to the endangered piping plover and the cat colony was relocated to cat sanctuaries. Frank Eltman/AP hide caption
Meet the comet Nishimura. Dan Bartlett/NASA hide caption
For more than decade, members of the Chumash tribe have led a campaign to create a new marine sanctuary on the central California coast. It could include waters off Point Conception, a sacred site for the Chumash people. Robert Schwemmer/NOAA hide caption
Researchers looking for root causes of long COVID work in the autopsy suite inside the Clinical Center at the National Institute of Health in Bethesda, Maryland. Valerie Plesch/Bloomberg via Getty Images hide caption
Some of the celebrity couples who have announced their splits in recent months include (L-R): Billy Porter and Adam Smith, Britney Spears and Sam Asghari and Joe Jonas and Sophie Turner. Rich Fury/Kevin Winter/Amy Sussman/Getty Images hide caption
Kame Ogito, 89, gathers seaweed at low tide in Motobu, Okinawa, Japan. Seaweed is part of the plant-based, low-calorie diet that makes Okinawans some of the longest-lived people in the world. David McLain/Dan Buettner hide caption
This image shows the painting "Ophelia," by John Everett Millais (1829-1896). Experts say that there's a reason that we're attracted to art and music that depict sadness. De Agostini via Getty Images hide caption